Roflumilast Impurity 3 CAS 1391052-24-6

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.1391052-24-6
Molecular FormulaC20H20Cl2N2O3
Molecular Weight407.29 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Roflumilast Impurity 3 CAS 1391052-24-6 chemical structure

Description

Roflumilast Impurity 3 (CAS 1391052-24-6) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H20Cl2N2O3. Molecular weight: 407.29 g/mol. Each batch is supplied with a Certificate of Analysis (COA).

Physical & Chemical Properties

Molecular FormulaC20H20Cl2N2O3
Molecular Weight407.29 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Halogen ContentCl-containing
Nitrogen Atoms2

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